Sand table. Sand table is a term for using constrained sand for modeling or educational purposes. The original version of a sand table may be the abax used by early Greek students. In the modern era, one common use for a sand table is to make terrain models for military planning and wargaming
: the action or process of teaching someone especially in a school, college, or university. : the knowledge, skill, and understanding that you get from attending a school, college, or university. : a field of study that deals with the methods and problems of teaching.
Grading (education) Grading in education is the process of applying standardized measurements of varying levels of achievement in a course. Grades can be assigned as letters (generally A through F), as a range (for example 1 to 6), as a percentage of a total number of questions answered correctly, or as a number out of a possible total (for example out of 20 or 100).